The Common Doubt of the Vacuum

We shall say that there is not a vacuum so separate as some asserted to be. For if there is a certain natural relation to each of the simple bodies, it is evident that a vacuum will not be the cause of lesion. The same reasoning also may be urged against those who fancy that place is something separate into which that is carried which is born along. Again, no one can assign a reason why that which is in motion stop somewhere. He who impels them, not touching them, either through an anti-parastasis, or because the air being impelled, impels with a swifter motion.